Harris Junior Academy Carshalton vs St Mary's RC Junior School
A head-to-head comparison of two primary schools in London, England, 533 m apart, using official English 2025 data. The better value in each row is highlighted.
Harris Junior Academy Carshalton
Carshalton · Academy primary · Ages 7–11
358 students
St Mary's RC Junior School
Carshalton · Local authority primary · Ages 7–11
361 students
| Measure | Harris Junior Academy Carshalton Carshalton, London | St Mary's RC Junior School Carshalton, London |
|---|---|---|
| Success Index (England) | 68 Top 50% | 81 Top 25% |
| Region rank | #729 of 1,720 | #334 of 1,720 |
| National rank | #4320 of 15,697 | #2022 of 15,697 |
| Sector | Academy | Local authority |
| Type | Primary | Primary |
| Year range | Ages 7–11 | Ages 7–11 |
| Students | 358 | 361 |
| Pupils on roll | 358 | 361 |
| Free school meals | 20.1% | 6.4% |
| Capacity filled | 99.4% | 100.3% |
| KS2 expected standard (RWM) | 69% | 71% |
| KS2 higher standard (RWM) | 18% | 24% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | – |
| Grade 4+ English & maths | – | – |
| EBacc average points | – | – |
| A level points per entry | – | – |
| town | Carshalton | Carshalton |
| region | London | London |
| Website | www.harrisjuniorcarshalton.org.uk/ | www.stmarysjunior.org.uk |
The verdict
- •St Mary's RC Junior School scores higher on the Success Index (England) (80.9 vs 67.7).
- •St Mary's RC Junior School does better on ks2: reading, writing & maths expected standard (71% vs 69%).
- •St Mary's RC Junior School does better on ks2: higher standard (24% vs 18%).
- •St Mary's RC Junior School is the larger school with 361 students compared with 358.
- •Harris Junior Academy Carshalton is a academy school while St Mary's RC Junior School is a local authority school, so fees and admission rules differ.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Harris Junior Academy Carshalton better than St Mary's RC Junior School?
On the Success Index (England), St Mary's RC Junior School ranks higher (80.9 vs 67.7 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Harris Junior Academy Carshalton and St Mary's RC Junior School?
About 533 m in a straight line, between Carshalton and Carshalton in London.
Which has the better Pupils on roll?
Harris Junior Academy Carshalton: 358. St Mary's RC Junior School: 361. Number of pupils in the latest school census.
How do Harris Junior Academy Carshalton and St Mary's RC Junior School rank in London?
Harris Junior Academy Carshalton is 729th of 1,720 and St Mary's RC Junior School is 334th of 1,720 among primary schools in London on the 2025 Success Index (England).